# Weird Managed DirectX Error

**URL:** <https://forum.kirupa.com/t/weird-managed-directx-error/222668>\
**Category:** talk\
**Created:** [April 16, 2007, 12:43am UTC](https://forum.kirupa.com/t/weird-managed-directx-error/222668 "2007-04-16T00:43:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Al6200](https://avatars.discourse-cdn.com/v4/letter/a/f19dbf/32.png) [@Al6200](https://forum.kirupa.com/u/Al6200)\
**Post date:** [April 16, 2007, 12:43am UTC](https://forum.kirupa.com/t/weird-managed-directx-error/222668/1 "2007-04-16T00:43:29Z")

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As you can see in the image below, the mesh I’ve rendered using DirectX only draws half of the triangles. I can’t figure out why, and the error isn’t affected by Cullmode.

Has anyone had errors like this in the past?

![](http://img440.imageshack.us/img440/8803/errorindirectxho7.png)